Advancers

Medicis Pharmaceutical Corp.
MRX
shares added nearly 5% after reports that the company had been approached by Valeant Pharmaceuticals International Inc.
VRX, +1.28%
about a possible purchase of Medicis.

Transatlantic Holdings Inc.
TRH
shares gained 6.8% after a subsidiary of Warren Buffett’s Berkshire Hathaway
BRK.A, -0.35%BRK.B, -0.08%
made an offer to purchase the reinsurer at $52 a share.

Decliners

Bank of America Corp.’s
BAC, -1.38%
shares fell 20% after a New York Times report that insurer American International Group Inc.
AIG, -0.64%
plans to sue the blue-chip bank in an effort to recoup more than $10 billion in losses related to mortgage-backed securities. Shares of AIG declined 10%. Read more on financial stocks.

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